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PCF5083H/001/F2 Datasheet(PDF) 96 Page - NXP Semiconductors |
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PCF5083H/001/F2 Datasheet(HTML) 96 Page - NXP Semiconductors |
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96 / 136 page  1996 Oct 29 96 Philips Semiconductors Objective specification GSM signal processing IC PCF5083 9.4.4.4 Handover mode Table 74 shows the procedures to be executed within the DSP for processing of a TCH/FS multiframe in Handover mode. Table 74 Procedures to be executed for processing a TCH/FS multiframe in handover mode Notes 1. Dummy encryption to increment TDMA frame counters (skip Idle + SACCH frame). 2. CM_DECODER_CCH is only called, if the current multiframe contains the 4th SACCH sub-block. 3. Dummy encryption to increment TDMA frame counters (skip Idle frame). FN MOD 26 PROCEDURES NW RX TX MX 0, 4, 13, 17 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CP_power_measure (agc_gain1) 12 149 156 80 8, 21 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF2, tsc, agc_gain) CI_encrypt (SCRATCH_BUFF,1); note 1 CP_power_measure (agc_gain1) 12 149 156 80 1, 5, 9, 14, 18, 22 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF3, tsc, agc_gain) CI_encrypt (SCRATCH_BUFF, 4) MP_read_audio_in_fifo (SCRATCH_BUFF, 160) CP_power_measure (agc_gain1) 33 149 156 80 2, 6, 10, 15, 19, 23 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF4, tsc, agc_gain) DB_fill_buffer (SCRATCH_BUFF,0,0,160) MP_write_audio_out_fifo (SCRATCH_BUFF, 160) CM_decoder_TCH (dtx_flag, taf, test_mode) CP_power_measure (agc_gain1) 18 149 156 80 3, 7, 12, 16, 20 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain) CP_power_measure (agc_gain1) 12 149 156 80 11 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (CCH_CMI_BUFFi, tsc, agc_gain) [CM_decoder_CCH( )]; note 2 CP_power_measure (agc_gain1) 14 149 156 80 24 CP_tx_RACH (bsic, rach_msg) CI_decrypt (SCRATCH_BUFF,1); note 3 15 149 156 80 25 CP_tx_RACH (bsic, rach_msg) CP_rx_normal_burst (TCH_CMI_BUFF1, tsc, agc_gain) CP_power_measure (agc_gain1) 12 − 156 − |
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